package com.class06.servlet;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@WebServlet("/servletD")
public class ServletD extends HttpServlet {
    @Override
    protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
//        增加属性
        req.setAttribute("msg", "HelloD");
//        修改属性
        req.setAttribute("msg", "Tom,HellD");
//        删除属性
        req.removeAttribute("msg");
    }
}
